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Finding the Fourth Proportional to 1,241,812, 1,713,702.18 and 705,268

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Solution

The fourth proportional to 1,241,812, 1,713,702.18 and 705,268 is: 973,270.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,812 : 1,713,702.18 = 705,268 : x
  2. Step 2: Convert to fraction form
    1,241,812/1,713,702.18 = 705,268/x
  3. Step 3: Cross multiply
    1,241,812x = 1,713,702.18 × 705,268
  4. Step 4: Simplify right side
    1,241,812x = 1,208,619,309,084.24
  5. Step 5: Solve for x
    x = 1,208,619,309,084.24/1,241,812
  6. Step 6: Final answer
    x = 973,270.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.